/*
 * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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/*
 *
 *
 *
 *
 *
 * The MIT License
 *
 * Copyright (c) 2004-2015 Paul R. Holser, Jr.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package jdk.internal.joptsimple;

import static jdk.internal.joptsimple.ParserRules.*;

/**
 * <p>Wrapper for an array of command line arguments.</p>
 *
 * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
 */
class ArgumentList {
    private final String[] arguments;
    private int currentIndex;

    ArgumentList( String... arguments ) {
        this.arguments = arguments.clone();
    }

    boolean hasMore() {
        return currentIndex < arguments.length;
    }

    String next() {
        return arguments[ currentIndex++ ];
    }

    String peek() {
        return arguments[ currentIndex ];
    }

    void treatNextAsLongOption() {
        if ( HYPHEN_CHAR != arguments[ currentIndex ].charAt( 0 ) )
            arguments[ currentIndex ] = DOUBLE_HYPHEN + arguments[ currentIndex ];
    }
}
